| Prestesteinsvatnet | |
| Pushpin Map: | Vestland#Innlandet#Norway |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of the lake |
| Coordinates: | 61.5422°N 7.9464°W |
| Location: | Luster Municipality, Vestland and Lom, Innlandet |
| Basin Countries: | Norway |
| Area: | 4.12km2 |
| Reference: | NVE |
Prestesteinsvatnet (pronounced as /no-NO-03/) is a lake in Luster Municipality in Vestland county, Norway, with a small part of the lake crossing over into the neighboring Lom Municipality in Innlandet county.[1] The 4.12km2 lake sits at an elevation of above sea level. It lies along the south side of the Sognefjellsvegen road, just to the north of the mountain Fannaråki and the Fannaråkbreen glacier. The lake sits just outside the borders of Jotunheimen National Park. The village of Skjolden lies about to the southwest of the lake.